Tabcontainer problem when showing message box

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C#

ASP.NET

Hi


i have problem regarding Tabcontainer.i have a tabcontainer with two tab in my page.when i click on submit button for insert data to database,then a message box is display and that time my tabcontainer is vanish and when i click on message box ok button then its display.

and i used different updatepanel for tab .

please help me, what is the error and why it is so?

i tried following code to display messagebox

ScriptManager.RegisterStartupScript(this, this.GetType(), "alertscipt", "alert('Recorded Updated Succesfully')", true);

ScriptManager.RegisterStartupScript(UpdatePanel1, typeof(string), "alertscipt", "alert('Recorded Updated Succesfully')", true);